1981309478016

Names of 1981309478016

• Cardinal: 1981309478016 can be written as One trillion, nine hundred eighty-one billion, three hundred nine million, four hundred seventy-eight thousand and sixteen.

Scientific notation

• Scientific notation: 1.981309478016 × 10¹²

Factors of 1981309478016

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 14
• Sum of prime factors: 856

Divisors of 1981309478016

• Number of divisors d(n): 384
• Complete list of divisors:
  1 2 3 4 6 8 11 12 16 22 24 32 33 44 48 64 66 71 88 96 121 128 132 142 176 192 213 242 264 284 352 363 384 426 484 528 568 704 726 769 781 852 968 1056 1136 1331 1408 1452 1538 1562 1704 1936 2112 2272 2307 2343 2662 2904 3076 3124 3408 3872 3993 4224 4544 4614 4686 5041 5324 5808 6152 6248 6816 7744 7986 8459 8591 9088 9228 9372 10082 10648 11616 12304 12496 13632 15123 15488 15972 16918 17182 18456 18744 20164 21296 23232 24608 24992 25377 25773 27264 30246 31944 33836 34364 36912 37488 40328 42592 46464 49216 49984 50754 51546 54599 55451 60492 63888 67672 68728 73824 74976 80656 85184 93049 94501 98432 99968 101508 103092 109198 110902 120984 127776 135344 137456 147648 149952 161312 163797 166353 170368 186098 189002 203016 206184 218396 221804 241968 255552 270688 274912 279147 283503 295296 299904 322624 327594 332706 372196 378004 406032 412368 436792 443608 483936 511104 541376 549824 558294 567006 600589 609961 645248 655188 665412 744392 756008 812064 824736 873584 887216 967872 1023539 1082752 1099648 1116588 1134012 1201178 1219922 1310376 1330824 1488784 1512016 1624128 1649472 1747168 1774432 1801767 1829883 1935744 2047078 2233176 2268024 2402356 2439844 2620752 2661648 2977568 3024032 3070617 3248256 3298944 3494336 3548864 3603534 3659766 3876529 4094156 4466352 4536048 4804712 4879688 5241504 5323296 5955136 6048064 6141234 6606479 6709571 6988672 7097728 7207068 7319532 7753058 8188312 8932704 9072096 9609424 9759376 10483008 10646592 11629587 11910272 12096128 12282468 13212958 13419142 14414136 14639064 15506116 16376624 17865408 18144192 19218848 19518752 19819437 20128713 20966016 21293184 23259174 24564936 26425916 26838284 28828272 29278128 31012232 32753248 35730816 36288384 38437696 39037504 39638874 40257426 42641819 46518348 49129872 52851832 53676568 57656544 58556256 62024464 65506496 72671269 76875392 78075008 79277748 80514852 85283638 93036696 98259744 105703664 107353136 115313088 117112512 124048928 127925457 131012992 145342538 158555496 161029704 170567276 186073392 196519488 211407328 214706272 218013807 230626176 234225024 248097856 255850914 290685076 317110992 322059408 341134552 372146784 393038976 422814656 429412544 436027614 469060009 496195712 511701828 581370152 634221984 644118816 682269104 744293568 845629312 858825088 872055228 938120018 1023403656 1162740304 1268443968 1288237632 1364538208 1407180027 1488587136 1744110456 1876240036 2046807312 2325480608 2536887936 2576475264 2729076416 2814360054 3488220912 3752480072 4093614624 4650961216 5159660099 5458152832 5628720108 6976441824 7504960144 8187229248 9301922432 10319320198 11257440216 13952883648 15009920288 15478980297 16374458496 20638640396 22514880432 27905767296 30019840576 30957960594 41277280792 45029760864 60039681152 61915921188 82554561584 90059521728 123831842376 165109123168 180119043456 247663684752 330218246336 495327369504 660436492672 990654739008 1981309478016
• Sum of all divisors σ(n): 5879058292800
• Sum of proper divisors (its aliquot sum) s(n): 3897748814784
• 1981309478016 is an abundant number, because the sum of its proper divisors (3897748814784) is greater than itself. Its abundance is 1916439336768

Bases of 1981309478016

• Binary: 11100110101001111001111110110010010000000₂
• Hexadecimal: 0x1CD4F3F6480
• Base-36: PA78I9HC

Squares and roots of 1981309478016

• 1981309478016 squared (1981309478016²) is 3925587247676034387296256
• 1981309478016 cubed (1981309478016³) is 7777803220599269800966811356911108096
• The square root of 1981309478016 is 1407589.9537919415
• The cube root of 1981309478016 is 12559.8399636119

Scales and comparisons

• 1,981,309,478,016 seconds is equal to 62,999 years, 26 weeks, 4 days, 15 hours, 53 minutes, 36 seconds.
• To count from 1 to 1,981,309,478,016 would take you about one hundred fifty-seven thousand, four hundred ninety-eight years!

  This is a very rough estimate, based on a speaking rate of half a second every third order of magnitude. If you speak quickly, you could probably say any randomly-chosen number between one and a thousand in around half a second. Very big numbers obviously take longer to say, so we add half a second for every extra x1000. (We do not count involuntary pauses, bathroom breaks or the necessity of sleep in our calculation!)

• A cube with a volume of 1981309478016 cubic inches would be around 1046.7 feet tall.

Recreational maths with 1981309478016

• 1981309478016 backwards is 6108749031891
• The number of decimal digits it has is: 13
• The sum of 1981309478016's digits is 57
• More coming soon!